Posted on August 19, 2021

To create a save environment for everybody, we ask you to follow the regulations of the Dutch Government. When entering the Conference we will check whether:
  1. you are either fully vaccinated,
  2. fully recovered from a COVID-19 infection (no more than 6 months ago)
  3. or have a test result that shows you are COVID-free (no more than 24 hours ago).
For Dutch visitors, you can show the corona-check app, which we will scan at the entrance. If you prefer a paper version, you can print the QR-code at If you are coming from abroad, you can use the EU Digitaal Corona Certificaat (EU DCC) or arrange a test in the Netherlands, no more than 24 hours prior to your visit to ONE Conference (arrange your test through the website: For both national and international visitors, do not forget to bring your ID and ticket for the conference as well. Why do we do this? We have decided to work with this policy to ensure that we can give you the best experience we can offer at the ONE Conference. With this check, we all do not need to keep 1.5 metres distance or wear a face mask after passing the checkpoint. You can network freely and enjoy the programme without any limitations, while at the same time not jeopardising your own health or anyone else’s. If you do not feel comfortable with these proceedings, we request that you change your registration from attending in person to online. You can do this by clicking the Deregister button and registering again for the online version of the conference.